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The SHM buffer pool patch, which provided the ability to use a shared memory segment for the buffer pool to enable faster server restarts, has been removed. Instead, we recommend using the LRU Dump/Restore patch which provides similar improvements in restart performance.

Replacement is due to SHM buffer pool both being very invasive and not widely used. Improved restart times are better provided by the much safer LRUD/R patch which has the advantage of also persisting across machine restarts.

This documentation is developed in Launchpad as part of the Percona Server source code.
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